International Journal of Numerical Methods for Heat & Fluid Flow: Volume 28 Issue 3

Symmetry reduction and numerical solution of a nonlinear boundary value problem in fluid mechanics

Sudao Bilige, Yanqing Han

The purpose of this paper is to study the applications of Lie symmetry method on the boundary value problem (BVP) for nonlinear partial differential equations (PDEs) in fluid…

Heat and mass transfer characteristics of MHD three-dimensional flow over a stretching sheet filled with water-based alumina nanofluid

P. Sudarsan A. Reddy, A. Chamkha

This paper aims to understand the influence of velocity slip, nanoparticle volume fraction, chemical reaction and non-linear thermal radiation on MHD three-dimensional heat and…

Numerical study of mixed convection in a horizontal no parallel-plates channel with an unheated moving plate

Assunta Andreozzi

The purpose of this paper is to analyze the thermal and fluid dynamic behaviors of mixed convection in air because of the interaction between a buoyancy flow and a moving plate…

A new effective viscosity model for nanofluids

Saleh Etaig, Reaz Hasan, Noel Perera

The purpose of this paper is to present a novel model for predicting the effective viscosity of nanofluids. At present, no unified model exists for the same.

An efficient iterative algorithm for the natural convection equations based on finite element method

Lei Wang, Jian Li, Pengzhan Huang

This paper aims to propose a new highly efficient iterative method based on classical Oseen iteration for the natural convection equations.

Transient natural convection in a partially open trapezoidal cavity filled with a water-based nanofluid under the effects of Brownian diffusion and thermophoresis

Nadezhda S. Bondareva, Mikhail A. Sheremet, Hakan F. Öztop, Nidal Abu-Hamdeh

The purpose of this paper is to study about the natural convection of water-based nanofluid in a partially open trapezoidal cavity under the influence of Brownian diffusion and…

Natural convection combined with thermal radiation in a square cavity filled with a viscoelastic fluid

Mikhail A. Sheremet, Ioan Pop

The purpose of this paper is to study natural convective heat transfer and viscoelastic fluid flow in a differentially heated square cavity under the effect of thermal radiation.

Numerical simulation of Fe3O4-water nanofluid flow in a non-Darcy porous media

M. Sheikholeslami, A. Zeeshan

This paper aims to investigate non-Darcy magnetohydrodynamic nanofluid flow in a uniformly porous medium. It is assumed that viscosity of nanofluid (Fe₃O₄-water) is a function of…

Thermal performance of angled, V-shaped and leaning-V-shaped ribs in a rotating rectangular channel with 45° orientation

Jinsheng Wang, Lei Luo, Lei Wang, Bengt Ake Sunden, Songtao Wang

The fluid flow in a rotating channel is obviously different from that in a stationary channel due to the existence of Coriolis force, which, in turn, enhances the heat transfer on…

A numerical study on unsteady natural/mixed convection in a cavity with fixed and moving rigid bodies using the ISPH method

Minh Tuan Nguyen, Abdelraheem M. Aly, Sang-Wook Lee

This paper aims to conduct numerical simulations of unsteady natural/mixed convection in a cavity with fixed and moving rigid bodies and different boundary conditions using the…

Improved wall boundary conditions in the incompressible smoothed particle hydrodynamics method

Tuan Minh Nguyen, Abdelraheem M. Aly, Sang-Wook Lee

The purpose of this paper is to improve the 2D incompressible smoothed particle hydrodynamics (ISPH) method by working on the wall boundary conditions in ISPH method. Here, two…

A novel and efficient approach to specifying Dirichlet far-field boundary condition of pressure Poisson equation

Jun-Hyeok Lee, Seung-Jae Lee, Jung-chun Suh

As the penalized vortex-in-cell (pVIC) method is based on the vorticity-velocity form of the Navier–Stokes equation, the pressure variable is not incorporated in its solution…

Numerical assessment of the mixed convection and volumetric radiation in a vertical channel with MRT-LBM

Soufiane Derfoufi, Fayçal Moufekkir, Ahmed Mezrhab

The paper aims to focus on modeling of combined mixed convection and volumetric radiation within a vertical channel using a hybrid thermal lattice Boltzmann method (LBM). The…

An investigation of the flow characteristics of multistage multiphase pumps

Jinya Zhang, Yongjiang Li, K. Vafai, Yongxue Zhang

Numerical simulations of a multistage multiphase pump at different operating conditions were performed to study the variational characteristics of flow parameters for each…